128804690088 has 96 divisors (see below), whose sum is σ = 353646296640. Its totient is φ = 42345849600.

The previous prime is 128804690083. The next prime is 128804690107. The reversal of 128804690088 is 880096408821.

128804690088 is a `hidden beast` number, since 1 + 28 + 80 + 469 + 0 + 0 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (128804690083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3573645 + ... + 3609507.

It is an arithmetic number, because the mean of its divisors is an integer number (3683815590).

Almost surely, 2^128804690088 is an apocalyptic number.

128804690088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128804690088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176823148320).

128804690088 is an abundant number, since it is smaller than the sum of its proper divisors (224841606552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128804690088 is a wasteful number, since it uses less digits than its factorization.

128804690088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36559 (or 36552 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The spelling of 128804690088 in words is "one hundred twenty-eight billion, eight hundred four million, six hundred ninety thousand, eighty-eight".